GPG error: https://packages.cloud.google.com/apt kubernetes-xenial InRelease: The following signatures couldn't be verified because the public key is not available
Trying to install Kubernetes on Ubuntu 22.04 and I have the error below: ubuntu@test-vm-1:/etc/apt/sources.list.d$ sudo apt update Hit:1 https://download.docker.com/linux/ubuntu jammy InRelease Hit:3 http://archive.ubuntu.com/ubuntu jammy InRelease Hit:4 http://security.ubuntu.com/ubuntu jammy-security InRelease Hit:5 http://archive.ubuntu.com/ubuntu jammy-updates InRelease Get:6 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [109 kB] Get:2 https://packages.cloud.google.com/apt kubernetes-xenial InRelease [8993 B] Err:2 https://packages.cloud.google.com/apt kubernetes-xenial InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B53DC80D13EDEF05 Reading package lists... Done W: GPG error: https://packages.cloud.google.com/apt kubernetes-xenial InRelease: The following signatures couldn't be verified because the public key is not